Archive Outlook items by received or sent date, not by last modified date

While looking through some maintenance tasks, I came across a knowledge base article that solved a long standing issue. In Outlook 2010 and Outlook 2013, it is possible to archive items by their date received or sent instead of by the last modified date.

Microsoft KB2553550 (http://support.microsoft.com/kb/2553550) details the steps.

Outlook 2010

To create the ArchiveIgnoreLastModifiedTime registry value, follow these steps:

  1. Start Regedit.
  2. Locate and then click the following registry subkey:
    HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Outlook\Preferences
  3. On the Edit menu, point to New, click DWORD Value, type ArchiveIgnoreLastModifiedTime, and then press ENTER.
  4. Right-click ArchiveIgnoreLastModifiedTime, and then click Modify.
  5. In the Value data box, type 1, and then click OK.
  6. Exit Registry Editor.

Outlook 2013

To create the ArchiveIgnoreLastModifiedTime registry value, follow these steps:

  1. Start Regedit.
  2. Locate and then click the following registry subkey:
    HKEY_CURRENT_USER\Software\Microsoft\Office\15.0\Outlook\Preferences
  3. On the Edit menu, point to New, click DWORD Value, type ArchiveIgnoreLastModifiedTime, and then press ENTER.
  4. Right-click ArchiveIgnoreLastModifiedTime, and then click Modify.
  5. In the Value data box, type 1, and then click OK.
  6. Exit Registry Editor.

You must restart Outlook after you add the ArchiveIgnoreLastModifiedTime registry key.

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